Home / 406,460.55-561,008.87-270,500.23

Finding the Fourth Proportional to 406,460.55, 561,008.87 and 270,500.23

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Solution

The fourth proportional to 406,460.55, 561,008.87 and 270,500.23 is: 373,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,460.55 : 561,008.87 = 270,500.23 : x
  2. Step 2: Convert to fraction form
    406,460.55/561,008.87 = 270,500.23/x
  3. Step 3: Cross multiply
    406,460.55x = 561,008.87 × 270,500.23
  4. Step 4: Simplify right side
    406,460.55x = 151,753,028,367.04
  5. Step 5: Solve for x
    x = 151,753,028,367.04/406,460.55
  6. Step 6: Final answer
    x = 373,352.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.